7938160

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1481}}^1$

素因数の和:1561

約数の個数: 40

約数和(自身を含む): 18744336

約数和(自身を除く): 10806176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 1481, 2680, 2962, 5360, 5924, 7405, 11848, 14810, 23696, 29620, 59240, 99227, 118480, 198454, 396908, 496135, 793816, 992270, 1587632, 1984540, 3969080, 7938160]

約数ペア:

[(1, 7938160), (2, 3969080), (4, 1984540), (5, 1587632), (8, 992270), (10, 793816), (16, 496135), (20, 396908), (40, 198454), (67, 118480), (80, 99227), (134, 59240), (268, 29620), (335, 23696), (536, 14810), (670, 11848), (1072, 7405), (1340, 5924), (1481, 5360), (2680, 2962)]